Update mjaschen/phpgeo requirement from ^4.0 to ^5.0

Updates the requirements on [mjaschen/phpgeo](https://github.com/mjaschen/phpgeo) to permit the latest version.
- [Changelog](https://github.com/mjaschen/phpgeo/blob/main/CHANGELOG.md)
- [Commits](mjaschen/phpgeo@4.0.0...5.0.0)

---
updated-dependencies:
- dependency-name: mjaschen/phpgeo
  dependency-type: direct:production
...

Signed-off-by: dependabot[bot] <support@github.com>

composer.json

@@ -7,7 +7,7 @@
         "jajo/jsondb": "^3.0",
         "kamermans/guzzle-oauth2-subscriber": "^1.0",
         "league/period": "^5.0",
-        "mjaschen/phpgeo": "^4.0",
+        "mjaschen/phpgeo": "^5.0",
         "nette/utils": "^3.2",
         "rinvex/countries": "^9.0",
         "stenope/stenope": "^0.8.0",